Physics

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1) Find the magnitude of the gravitational force
a 68.6 kg person would experience while
standing on the surface of Earth with a
mass of 5.98 × 10
24
kg and a radius of
6.37 × 10
6
m. The universal gravitational
constant is 6.673 × 10
−11
N · m2
/kg
2
.
Answer in units of N

2) Find the magnitude of the gravitational force
on Mars, with a mass of 6.34 × 10
23
kg and a
radius of 3.43 × 10
6 m.
Answer in units of N

3) Find the magnitude of the gravitational force
on Pluto, with a mass of 1.32 × 10
22
kg and a
radius of 1.15 × 10
6 m.
Answer in units of N

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